<!doctype html>
<meta charset="utf-8" />
<meta name="author" title="Keith Cirkel" href="mailto:keithamus@github.com" />
<meta name="author" title="Luke Warlow" href="mailto:lwarlow@igalia.com" />
<link rel="help" href="https://open-ui.org/components/invokers.explainer/" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="resources/invoker-utils.js"></script>

<div id="interestee"></div>
<button id="interestbutton" interesttarget="interestee">Button</button>
<button id="otherbutton">Other Button</button>

<script>
  promise_test(async function (t) {
    t.add_cleanup(() => otherbutton.focus());
    let event = null;
    interestee.addEventListener("interest", (e) => (event = e), { once: true });
    interestbutton.focus();
    assert_true(event instanceof InterestEvent, "event is InterestEvent");
    assert_equals(event.type, "interest", "type");
    assert_equals(event.bubbles, false, "bubbles");
    assert_equals(event.composed, true, "composed");
    assert_equals(event.isTrusted, true, "isTrusted");
    assert_equals(event.action, "", "action");
    assert_equals(event.target, interestee, "target");
    assert_equals(event.invoker, interestbutton, "invoker");
  }, "InterestEvent dispatches on button focus");

  promise_test(async function (t) {
    t.add_cleanup(() => otherbutton.focus());
    let event = null;
    interestee.addEventListener("interest", (e) => (event = e), { once: true });
    await hoverOver(interestbutton);
    assert_true(event instanceof InterestEvent, "event is InterestEvent");
    assert_equals(event.type, "interest", "type");
    assert_equals(event.bubbles, false, "bubbles");
    assert_equals(event.composed, true, "composed");
    assert_equals(event.isTrusted, true, "isTrusted");
    assert_equals(event.action, "", "action");
    assert_equals(event.target, interestee, "target");
    assert_equals(event.invoker, interestbutton, "invoker");
  }, "InterestEvent dispatches on button hover");

  promise_test(async function (t) {
    t.add_cleanup(() => otherbutton.focus());
    let event = null;
    interestee.addEventListener("interest", (e) => (event = e), { once: true });
    interestbutton.interestAction = "fooBar";
    interestbutton.focus();
    assert_true(event instanceof InterestEvent, "event is InterestEvent");
    assert_equals(event.type, "interest", "type");
    assert_equals(event.bubbles, false, "bubbles");
    assert_equals(event.composed, true, "composed");
    assert_equals(event.isTrusted, true, "isTrusted");
    assert_equals(event.action, "fooBar", "action");
    assert_equals(event.target, interestee, "target");
    assert_equals(event.invoker, interestbutton, "invoker");
  }, "event action is set to interestAction");

  promise_test(async function (t) {
    t.add_cleanup(() => otherbutton.focus());
    let event = null;
    interestee.addEventListener("interest", (e) => (event = e), { once: true });
    interestbutton.setAttribute("interestaction", "BaRbAz");
    interestbutton.focus();
    assert_true(event instanceof InterestEvent, "event is InterestEvent");
    assert_equals(event.type, "interest", "type");
    assert_equals(event.bubbles, false, "bubbles");
    assert_equals(event.composed, true, "composed");
    assert_equals(event.isTrusted, true, "isTrusted");
    assert_equals(event.action, "BaRbAz", "action");
    assert_equals(event.target, interestee, "target");
    assert_equals(event.invoker, interestbutton, "invoker");
  }, "event action is set to interestaction attribute");

  promise_test(async function (t) {
    t.add_cleanup(() => {
      interestbutton.removeAttribute('disabled');
      otherbutton.focus();
    });
    let called = false;
    interestee.addEventListener(
      "interest",
      () => {
        called = true;
      },
      { once: true },
    );
    interestbutton.setAttribute("disabled", "");
    interestbutton.focus();
    assert_false(called, "event was not called");
  }, "event does not dispatch if invoker is disabled");

  promise_test(async function (t) {
    svgInterestee = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
    t.add_cleanup(() => {
      interestbutton.interestTargetElement = interestee;
      svgInterestee.remove();
      otherbutton.focus();
    });
    document.body.append(svgInterestee);
    let called = false;
    assert_false(svgInterestee instanceof HTMLElement);
    assert_true(svgInterestee instanceof Element);
    let event = null;
    svgInterestee.addEventListener(
      "interest",
      (e) => {
        event = e;
        called = true;
      },
      { once: true },
    );
    interestbutton.interestTargetElement = svgInterestee;
    interestbutton.focus();
    assert_true(called, "event was called");
    assert_equals(event.invoker, interestbutton, "event.invoker is set to right element");
    assert_equals(event.target, svgInterestee, "event.target is set to right element");
  }, "event dispatches if interestee is non-HTML Element");
</script>
